MPEC 2012-X39 : 2012 XC55
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Read MPEC 2012-X38
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M.P.E.C. 2012-X39 Issued 2012 Dec. 10, 19:52 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 of the International Astronomical Union by the
Minor Planet Center, Smithsonian Astrophysical Observatory,
Cambridge, MA 02138, U.S.A.
Prepared using the Tamkin Foundation Computer Network
MPC@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2012 XC55
Observations:
K12X55C* C2012 12 06.38240 08 38 33.57 +15 06 32.8 19.1 VrEX039703
K12X55C C2012 12 06.38851 08 38 33.28 +15 06 01.5 19.2 VrEX039703
K12X55C C2012 12 06.39466 08 38 32.92 +15 05 30.5 18.8 VrEX039703
K12X55C C2012 12 06.42991 08 38 31.28 +15 02 30.6 rEX039703
K12X55C C2012 12 06.44086 08 38 30.81 +15 01 34.1 19.4 VrEX039703
K12X55C C2012 12 06.47566 08 38 29.20 +14 58 33.2 19.5 VrEX039703
K12X55C KC2012 12 06.47705 08 38 29.16 +14 58 25.7 19.3 RoEX039291
K12X55C KC2012 12 06.47798 08 38 29.12 +14 58 21.0 19.4 RoEX039291
K12X55C C2012 12 06.47861 08 38 29.03 +14 58 17.8 19.2 VrEX039703
K12X55C KC2012 12 06.47891 08 38 29.08 +14 58 16.1 19.2 RoEX039291
K12X55C C2012 12 06.48155 08 38 28.87 +14 58 02.7 20.0 VrEX039703
K12X55C C2012 12 06.48450 08 38 28.64 +14 57 45.9 19.4 VrEX039703
K12X55C |C2012 12 07.33278 08 37 54.86 +13 44 50.2 19.8 VuEX039807
K12X55C |C2012 12 07.33524 08 37 54.72 +13 44 37.3 19.8 VuEX039807
K12X55C |C2012 12 07.33769 08 37 54.60 +13 44 24.6 19.9 VuEX039807
K12X55C |C2012 12 07.34028 08 37 54.46 +13 44 11.2 19.9 VuEX039807
K12X55C C2012 12 07.36184 08 37 54.30 +13 41 54.1 19.3 VrEX039G96
K12X55C C2012 12 07.36773 08 37 53.97 +13 41 23.5 19.4 VrEX039G96
K12X55C C2012 12 07.37304 08 37 53.72 +13 40 55.8 19.2 VrEX039G96
K12X55C C2012 12 07.37671 08 37 53.50 +13 40 37.8 19.4 VrEX039703
K12X55C C2012 12 07.37831 08 37 53.43 +13 40 28.7 19.1 VrEX039G96
K12X55C C2012 12 07.38215 08 37 53.22 +13 40 09.1 18.6 VrEX039703
K12X55C C2012 12 07.38762 08 37 52.96 +13 39 41.0 19.0 VrEX039703
K12X55C C2012 12 07.39310 08 37 52.68 +13 39 12.4 18.8 VrEX039703
K12X55C |C2012 12 08.29904 08 37 12.11 +12 20 34.9 19.2 VuEX039807
K12X55C |C2012 12 08.30088 08 37 12.01 +12 20 25.3 19.3 VuEX039807
K12X55C |C2012 12 08.30249 08 37 11.93 +12 20 16.9 19.3 VuEX039807
K12X55C |C2012 12 08.30433 08 37 11.82 +12 20 07.2 19.3 VuEX039807
K12X55C |C2012 12 08.30593 08 37 11.73 +12 19 58.8 19.4 VuEX039807
K12X55C C2012 12 08.38134 08 37 08.43 +12 12 58.4 19.3 cEX039704
K12X55C C2012 12 08.39444 08 37 07.71 +12 11 48.9 19.1 cEX039704
K12X55C C2012 12 08.40096 08 37 07.43 +12 11 15.5 18.9 RcEX039854
K12X55C C2012 12 08.40356 08 37 07.29 +12 11 01.7 18.9 RcEX039854
K12X55C C2012 12 08.40617 08 37 07.11 +12 10 48.1 19.0 RcEX039854
K12X55C C2012 12 08.40763 08 37 06.98 +12 10 39.5 19.1 cEX039704
K12X55C C2012 12 08.42078 08 37 06.24 +12 09 31.4 18.9 cEX039704
K12X55C C2012 12 08.43393 08 37 05.45 +12 08 22.4 19.0 cEX039704
K12X55C KC2012 12 09.05453 08 36 35.69 +11 13 46.5 19.2 RcEX039A24
K12X55C KC2012 12 09.05896 08 36 35.43 +11 13 23.1 19.2 RcEX039A24
K12X55C KC2012 12 09.06339 08 36 35.17 +11 12 59.6 19.0 RcEX039A24
K12X55C KC2012 12 09.11013 08 36 32.67 +11 08 53.6 18.9 VvEX039I93
K12X55C KC2012 12 09.11707 08 36 32.26 +11 08 16.7 19.2 VvEX039I93
K12X55C KC2012 12 09.12349 08 36 31.91 +11 07 42.3 18.8 VvEX039I93
K12X55C KC2012 12 09.14955 08 36 30.22 +11 05 24.4 tEX039204
K12X55C KC2012 12 09.15717 08 36 29.77 +11 04 44.0 19.5 RtEX039204
K12X55C KC2012 12 09.16497 08 36 29.33 +11 04 02.9 tEX039204
K12X55C |C2012 12 10.29217 08 35 30.28 +09 24 56.2 19.1 VuEX039807
K12X55C |C2012 12 10.29333 08 35 30.21 +09 24 50.1 19.2 VuEX039807
K12X55C |C2012 12 10.29448 08 35 30.13 +09 24 43.9 19.2 VuEX039807
K12X55C |C2012 12 10.29563 08 35 30.06 +09 24 37.9 19.1 VuEX039807
K12X55C |C2012 12 10.29667 08 35 30.00 +09 24 32.4 18.8 VuEX039807
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.38-m f/6.8 reflector
+ CCD.
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
703 Catalina Sky Survey. Observer J. A. Johnson. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 0.68-m Schmidt + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, G. Spitz,
R. Brungard, J. Paige, P. Festler, T. McVey, A. Valdivia, C. Gall. 1.0-m
f/2.15 reflector + CCD.
807 Cerro Tololo. Observers T. Linder, R. Holmes. 0.41-m f/11
Ritchey-Chretien + CCD.
854 Sabino Canyon Observatory, Tucson. Observer J. E. McGaha. 0.36-m f/10.0
Schmidt-Cassegrain + CCD.
A24 New Millennium Observatory, Mozzate. Observer E. Cozzi. 0.36-m f/11
Schmidt-Cassegrain + CCD.
G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers A. Boattini,
E. J. Christensen, A. R. Gibbs, A. D. Grauer, R. E. Hill, J. A. Johnson,
R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
Orbital elements:
2012 XC55 Earth MOID = 0.2580 AU
Epoch 2012 Sept. 30.0 TT = JDT 2456200.5 MPC
M 342.23523 (2000.0) P Q
n 0.31034964 Peri. 173.33676 +0.15692124 -0.85464647
a 2.1605710 Node 266.74995 +0.88169681 +0.34701340
e 0.4263238 Incl. 29.71768 +0.44495670 -0.38621382
P 3.18 H 19.4 G 0.15 U 8
Residuals in seconds of arc
121206 703 0.6+ 0.9- 121207 G96 0.2- 0.1- 121208 704 0.5+ 0.3-
121206 703 0.4+ 0.7- 121207 G96 0.0 0.2- 121208 704 0.4+ 0.7+
121206 703 0.7- 0.1- 121207 703 0.5- 0.8+ 121208 704 0.5- 0.8+
121206 703 0.8- 1.6+ 121207 G96 0.4- 0.1+ 121209 A24 0.3+ 0.1+
121206 703 0.1- 1.6+ 121207 703 0.6- 0.4+ 121209 A24 0.2+ 0.1+
121206 703 0.2+ 0.4+ 121207 703 0.4- 0.8+ 121209 A24 0.0 0.1-
121206 291 0.3+ 0.1- 121207 703 0.4- 0.7+ 121209 I93 0.1- 0.4+
121206 291 0.3+ 0.0 121208 807 0.3- 0.2- 121209 I93 0.3- 0.1+
121206 703 0.2- 0.3+ 121208 807 0.2- 0.1- 121209 I93 0.0 0.4-
121206 291 0.4+ 0.1- 121208 807 0.1- 0.1- 121209 204 0.2- 0.1-
121206 703 0.6- 0.4+ 121208 807 0.2- 0.1- 121209 204 0.3- 0.2-
121206 703 1.9- 1.2- 121208 807 0.3- 0.2- 121209 204 0.2- 0.0
121207 807 0.2+ 0.1- 121208 704 0.5+ 0.6+ 121210 807 0.2- 0.1+
121207 807 0.0 0.2- 121208 704 0.5+ 0.2- 121210 807 0.2- 0.2+
121207 807 0.0 0.1- 121208 854 0.2+ 0.2+ 121210 807 0.3- 0.1+
121207 807 0.1- 0.0 121208 854 0.3+ 0.0 121210 807 0.2- 0.2+
121207 G96 0.3+ 0.1- 121208 854 0.3- 0.1+ 121210 807 0.1- 0.2+
Ephemeris:
2012 XC55 a,e,i = 2.16, 0.43, 30 q = 1.2395
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2012 11 10 08 27 12.3 +44 42 04 0.5166 1.2502 108.0 48.9 20.3
...
2012 11 25 08 40 41.0 +30 03 08 0.4207 1.2395 117.6 44.9 19.7
...
2012 12 03 08 40 14.9 +19 51 31 0.3846 1.2413 123.8 41.3 19.4
...
2012 12 09 08 36 38.0 +11 18 52 0.3676 1.2461 128.2 38.4 19.2
2012 12 10 08 35 46.0 +09 50 37 0.3657 1.2472 128.9 37.9 19.2
2012 12 11 08 34 49.6 +08 21 57 0.3641 1.2484 129.5 37.5 19.2
...
2012 12 17 08 27 44.6 -00 29 41 0.3608 1.2569 132.7 35.1 19.1
...
2012 12 25 08 15 03.7 -11 29 10 0.3730 1.2726 134.4 33.5 19.2
...
2013 01 09 07 46 15.9 -26 18 05 0.4382 1.3140 131.2 34.3 19.6
A. U. Tomatic (C) Copyright 2012 MPC M.P.E.C. 2012-X39
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